Souza, M.M.D. and Poluri, N. (2024) Class BJF⁻¹: Pushing the boundaries of the performance of RF power amplifiers. In: 2024 8th IEEE Electron Devices Technology & Manufacturing Conference (EDTM). 2024 8th IEEE Electron Devices Technology & Manufacturing Conference (EDTM), 03-06 Mar 2024, Bangalore, India. . Institute of Electrical and Electronics Engineers (IEEE), pp. 1-3. ISBN: 9798350383089.
Abstract
A new design space of contiguous mode amplifiers straddled in the centre of the Smith Chart, by Class J at one end and Class CCF−1 at the other, is presented. The waveforms require tuning of the second harmonic of the voltage and upto the third harmonic of the current, to derive the full benefit of harmonic tuning. This class is naturally realised by tuning the output capacitance CDS of a GaN transistor, compared to the counterpart in class CCF. We have demonstrated several prototypes in this class with outstanding performance of efficiency, output power, bandwidth, and linearity.
Metadata
| Item Type: | Proceedings Paper |
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| Authors/Creators: |
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| Copyright, Publisher and Additional Information: | © 2026 The Authors. Except as otherwise noted, this author-accepted version of a conference paper published in 2024 8th IEEE Electron Devices Technology & Manufacturing Conference (EDTM) is made available via the University of Sheffield Research Publications and Copyright Policy under the terms of the Creative Commons Attribution 4.0 International License (CC-BY 4.0), which permits unrestricted use, distribution and reproduction in any medium, provided the original work is properly cited. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/ |
| Keywords: | RF Power Amplifier; contiguous mode |
| Dates: |
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| Institution: | The University of Sheffield |
| Academic Units: | The University of Sheffield > Faculty of Engineering (Sheffield) > School of Electrical and Electronic Engineering |
| Funding Information: | Funder Grant number Engineering and Physical Sciences Research Council EP/X01214X/1 |
| Date Deposited: | 20 Apr 2026 11:15 |
| Last Modified: | 20 Apr 2026 14:31 |
| Status: | Published |
| Publisher: | Institute of Electrical and Electronics Engineers (IEEE) |
| Refereed: | Yes |
| Identification Number: | 10.1109/edtm58488.2024.10511539 |
| Related URLs: | |
| Open Archives Initiative ID (OAI ID): | oai:eprints.whiterose.ac.uk:240236 |
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